Example: "The function of an auger is to bore holes"
Example: "The function of a teacher"
Example: "Height is a function of age"
Example: "It was a black-tie function"
Example: "The party was quite an affair"
Example: "The washing machine won't go unless it's plugged in"
Example: "The tree stump serves as a table"
Example: "His wife officiated as his private secretary"